document.write( "Question 162539: 1)The perimeter of a recentangle, given that the lenght is x yards and the width is 10yards shorter\r
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Algebra.Com's Answer #119783 by checkley77(12844)\"\" \"About 
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2L+2W=PERIMETER.
\n" ); document.write( "2*X+2(X-10)=PERIMETER.
\n" ); document.write( "2X+2X-20=PERIMETER.
\n" ); document.write( "4X-20=PERIMETER.
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